Multiple choice Which is used as a aerosol spray propellant? 1,4-Dichlorobenzene Dichlorodifluoromethane Dimethyldichlorosilane 1,2-Dichloroethane Reveal answer Fill a bubble to check yourself B Correct answer Explanation Dichlorodifluoromethane is a chlorofluorocarbon halomethane (CFC), used as a refrigerant and aerosol spray propellant.